Warning: include(/dev/shm/.ojs_capture): failed to open stream: No such file or directory in /home/www/hiujs/hiujs_public_html/lib/pkp/includes/functions.inc.php on line 313

Warning: include(): Failed opening '/dev/shm/.ojs_capture' for inclusion (include_path='.:') in /home/www/hiujs/hiujs_public_html/lib/pkp/includes/functions.inc.php on line 313

Bao, P. T., và L. Q. Mung. “Multiple Coverings of a Closed Set on a Plane With Non-Euclidean Metrics by Circles of Two Types”. Tạp Chí Khoa học Trường Đại học Quốc Tế Hồng Bàng, số 2, Tháng Chạp 2021, tr 105-16, https://tapchikhoahochongbang.vn/js/article/view/240.